Home / 154,025.80-231,072.30-87,497.80

Finding the Fourth Proportional to 154,025.80, 231,072.30 and 87,497.80

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Solution

The fourth proportional to 154,025.80, 231,072.30 and 87,497.80 is: 131,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,025.80 : 231,072.30 = 87,497.80 : x
  2. Step 2: Convert to fraction form
    154,025.80/231,072.30 = 87,497.80/x
  3. Step 3: Cross multiply
    154,025.80x = 231,072.30 × 87,497.80
  4. Step 4: Simplify right side
    154,025.80x = 20,218,317,890.94
  5. Step 5: Solve for x
    x = 20,218,317,890.94/154,025.80
  6. Step 6: Final answer
    x = 131,265.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.